USA Boys 10 & under - 50 Y Breast
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Andrew Williams | 43.53 | 10 | BB Min | A: 42.09 (+1.44s | 3.3%) | East Hartford YMCA | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1002 | Grant Haire | 43.53 | 10 | BB Min | A: 42.09 (+1.44s | 3.3%) | Worthington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1003 | Harrison Kyin | 43.53 | 10 | BB Min | A: 42.09 (+1.44s | 3.3%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1004 | Cameron Watrous | 43.53 | 9 | BB Min | A: 42.09 (+1.44s | 3.3%) | Bellevue Club Swim Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1005 | Connor Finlayson | 43.54 | 9 | BB Min | A: 42.09 (+1.45s | 3.3%) | Annapolis Swim Club | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 1006 | Matthew Baez | 43.54 | 10 | BB Min | A: 42.09 (+1.45s | 3.3%) | Empire Swimming | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1007 | Conrad Shwe | 43.54 | 9 | BB Min | A: 42.09 (+1.45s | 3.3%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 1008 | Eli Cen | 43.55 | 9 | BB Min | A: 42.09 (+1.46s | 3.4%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1009 | Remi Newell | 43.56 | 9 | BB Min | A: 42.09 (+1.47s | 3.4%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1010 | Julian St. Peter | 43.57 | 9 | BB Min | A: 42.09 (+1.48s | 3.4%) | Edge Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1011 | Logan Bratu | 43.58 | 10 | BB Min | A: 42.09 (+1.49s | 3.4%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 1012 | Henry Kaiser | 43.58 | 10 | BB Min | A: 42.09 (+1.49s | 3.4%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1013 | Charlie Sundberg | 43.58 | 10 | BB Min | A: 42.09 (+1.49s | 3.4%) | Univ. of Denver Hilltoppers | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1014 | Maximilian Machavariani | 43.59 | 9 | BB Min | A: 42.09 (+1.50s | 3.4%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 1015 | Ryan Yoon | 43.60 | 10 | BB Min | A: 42.09 (+1.51s | 3.5%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1016 | Julian Gu | 43.61 | 10 | BB Min | A: 42.09 (+1.52s | 3.5%) | Blue Dolfins | 09/27/2025 | 2025 Elizabeth Kazeck Fall Sprint | |
| 1017 | Niranjan Bharathan | 43.61 | 10 | BB Min | A: 42.09 (+1.52s | 3.5%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1018 | Caleb Lee | 43.62 | 10 | BB Min | A: 42.09 (+1.53s | 3.5%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 1019 | Rowan Sargent | 43.62 | 9 | BB Min | A: 42.09 (+1.53s | 3.5%) | Flatiron Athletic Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1020 | William Moreno | 43.62 | 10 | BB Min | A: 42.09 (+1.53s | 3.5%) | Carolina Aquatic Team | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1021 | Andrew Radlicz | 43.63 | 9 | BB Min | A: 42.09 (+1.54s | 3.5%) | Life Time Mid Atlantic Swim Te | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1022 | Jimmie Jones | 43.63 | 9 | BB Min | A: 42.09 (+1.54s | 3.5%) | Razor Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1023 | Asa Heath | 43.64 | 10 | BB Min | A: 42.09 (+1.55s | 3.6%) | YMCA of Greater Nashua Storm | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1024 | Decker Yarber | 43.64 | 10 | BB Min | A: 42.09 (+1.55s | 3.6%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1025 | Bradley Chu | 43.64 | 9 | BB Min | A: 42.09 (+1.55s | 3.6%) | Phoenix Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1026 | Jayden Lu | 43.65 | 9 | BB Min | A: 42.09 (+1.56s | 3.6%) | Charles River Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1027 | Beau Nobles | 43.66 | 8 | BB Min | A: 42.09 (+1.57s | 3.6%) | Tnt Swimming | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 1028 | Braden Dunlap | 43.67 | 9 | BB Min | A: 42.09 (+1.58s | 3.6%) | Naval Academy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 1029 | Keon Cheng | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | Arcadia Riptides Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1030 | Max Huang | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | Sierra Marlins Swim Team | 11/08/2025 | Folsom Classic 2025 | |
| 1031 | Alex Koay | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | The Fish | 01/31/2026 | The 2026 Super FISH Bowl XVI | |
| 1032 | Jerry Ji | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | Brea Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 1033 | Jameson Huskey | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | YMCA Fairfax County Reston | 10/18/2025 | 2025 Fox Fall Invitational 1 Copied | |
| 1034 | Emmanuel Schmid Leon | 43.68 | 10 | BB Min | A: 42.09 (+1.59s | 3.6%) | South Florida Aquatic Club | 12/11/2025 | 35th Annual Winter Championships | |
| 1035 | Maximus Sosa | 43.68 | 10 | BB Min | A: 42.09 (+1.59s | 3.6%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1036 | Archer Hill | 43.68 | 10 | BB Min | A: 42.09 (+1.59s | 3.6%) | YMCA Fairfax County Reston | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 1037 | Bernardo Marques | 43.69 | 10 | BB Min | A: 42.09 (+1.60s | 3.7%) | Pine Crest Swimming | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 1038 | August Allender | 43.69 | 10 | BB Min | A: 42.09 (+1.60s | 3.7%) | DC Dept Of Parks and Recreatio | 03/20/2026 | 26th Annual Spring Championships | |
| 1039 | Andres Garcia | 43.69 | 10 | BB Min | A: 42.09 (+1.60s | 3.7%) | San Dimas Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1040 | Anderson Shi | 43.69 | 8 | BB Min | A: 42.09 (+1.60s | 3.7%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1041 | Michel Opp | 43.70 | 10 | BB Min | A: 42.09 (+1.61s | 3.7%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 1042 | Rojan Kundey | 43.70 | 10 | BB Min | A: 42.09 (+1.61s | 3.7%) | Monocacy Aquatic Club | 09/26/2025 | RAC First Splash 2025 | |
| 1043 | Felix Nguyen | 43.70 | 10 | BB Min | A: 42.09 (+1.61s | 3.7%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1044 | Christopher Navarro | 43.70 | 10 | BB Min | A: 42.09 (+1.61s | 3.7%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1045 | Aiden Gordon | 43.71 | 9 | BB Min | A: 42.09 (+1.62s | 3.7%) | Monroe-Woodbury Devilfish Aqua | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 1046 | Kevin Liu | 43.72 | 10 | BB Min | A: 42.09 (+1.63s | 3.7%) | Arctic Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1047 | Isaac Lee | 43.72 | 10 | BB Min | A: 42.09 (+1.63s | 3.7%) | Auburn Aquatics | 02/20/2026 | 2026 SE Auburn Classic | |
| 1048 | Blaze Garcia | 43.73 | 10 | BB Min | A: 42.09 (+1.64s | 3.8%) | Pueblo County Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1049 | Tucker McCullough | 43.73 | 10 | BB Min | A: 42.09 (+1.64s | 3.8%) | Team Rebel Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 1050 | Max Frankel | 43.73 | 10 | BB Min | A: 42.09 (+1.64s | 3.8%) | SwimRight Team | 12/11/2025 | 35th Annual Winter Championships | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.